Script to save as "multitail.sh' or whatever you like. Save it in "/home/username/scripts" or any other folder
$ vi multi-tail.sh
# When this exits, exit all back ground process also.
trap 'kill $(jobs -p)' EXIT
# iterate through the each given file names,
for file in "$@"
# show tails of each in background.
tail -fn 10 $file &
# wait .. until CTRL+C
Edit your .bashrc or your .profile (both inside your user folder, e.g. /home/username/.profile)
Just type in the shell "tail filename1 filename2 filename3"